US3942615AExpiredUtility
Multi-speed hub with brake
Individually held — no corporate assignee on recordPriority: Jan 23, 1974Filed: Jan 20, 1975Granted: Mar 9, 1976
Est. expiryJan 23, 1994(expired)· nominal 20-yr term from priority
Inventors:Dennis Craig
F16D 2065/024F16D 41/36B62L 5/18B62M 9/10
53
PatentIndex Score
13
Cited by
6
References
1
Claims
Abstract
A multi-speed bicycle hub that provides means permitting only limited reverse movement of the hub by backwards motion of any of the attached driving wheel sprockets by a clutch and which provides a brake operated by substantial reverse movement of the sprockets.
Claims
exact text as granted — not AI-modifiedI claim:
1. A multi-speed gear hub assembly with brake for a bicycle or the like which comprises: an axle carried by the frame of said bicycle and held against rotation; a driving wheel hub rotatably mounted on said axle; a clutch cone within said hub and movable longitudinally therein alternatively to engage said hub for causing said hub to rotate or to actuate braking mechanism which includes laterally movable brake shoes in said hub; a driver rotatably mounted directly on said axle and threadedly engaging said clutch cone, whereby to move said cone in a selected longitudinal direction upon rotation of said driver, said driver projecting axially from said hub; a sprocket cluster having a tubular hub wholly outside said first mentioned hub and rotatably mounted on said axle; and a mounting ring concentric with said driver and said tubular hub surrounding the outer end of said driver and carried in said tubular hub, said mounting ring being welded to said driver and to said tubular hub, whereby said driver and said sprocket cluster are caused to rotate together.Join the waitlist — get patent alerts
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